The answer is C. 250.80
change the percent to a decimal (0.20) and multiply 1,254x0.20=250.80
The last option ,KH and LM
A--width b--length b=864 Divided by a b=3a divided by 2 864 divided by a = 3a divided by 2 a =24 b=864 divided by 24 = 36 Answer= the length of the basement is 36 feet